Patent GB-409818-A (GB)
Title: Improvements in charging machines for glass-annealing leers
IPC: C03B35/12
Filed: 1932-12-06
Abstract: 409,818. Charging glass annealing leers. SEVERIN, H., Sasbach, near Achem, Baden, Germany. Dec. 6, 1932, No. 34588. Convention date, Dec. 16, 1931. [Class 51 (ii).] A machine for feeding glass bottles to a leer comprises a carriage 1 trom which project one or more horizontal arms each fitted with an endless conveyer and carrying, at its outer end, a tiltable head which, after receiving a recumbent bottle from the conveyer, is swung downwardly to deposit it in an upright position on the leer conveyer 56. The machine shown has two arms 5, 5<a> which are carried by slides 3, 3<a> movable longitudinally in guides 2, 2<a>, and are rotatable in a horizontal plane about pivots 6, 6<a>. The arms carry endless conveyers 15, 15<a> to. which the bottles are delivered from similar conveyers 14, 14<a> mounted on the slides 3, 3<a> and receiving, by the operation of a directing member 43, actuated from the main driving-shaft 59 of the machine, alternate bottles arriving on the supply conveyer 42. The conveyers 14, 14<a>, 15, 15<a>, and the supply conveyer 42 are operated through chain and bevel gearing from a vertical shaft 81, Fig. 2, driven directly from the shaft of the continuously running motor 55. The main shaft 59, from which through various forms of gearing, the operation of the movable parts of the machine in the correct sequence is derived, is intermittently driven by the motor 55 through an electro-magnetic clutch 87 which is controlled by a tilting mercury contact 52 mounted on an arm 49 adapted to be released from a catch 46 by the contact of a bottle on the conveyer 42 with the depending arm 47. After the passage of the bottle the arm 49 is reset by a rod 54 operated by an eccentric on the shaft 59. Each arm 5, 5<a> carries a readily detachable tiltable head 16 comprising a trough 17 mounted in a frame 20 which, on the forward movement of a rod 40, operated through mechanism 96 from the shaft 59, causes the trough 17 to swing into the vertical position and then to move forwardly so that, as shown in Fig. 2, the bottle slides gently off the base member 24 on to the leer conveyer 56. During tilting, the bottle is retained in the trough 17 by pivoted wings 34 which are arranged to open when the trough reaches the vertical position. On the retractive stroke, effected by springs, of the rod 40, the trough 17 moves rearwardly, the wings 34 close, and the frame 20 returns the trough to bottle-receiving position. In order that the bottles shall be deposited in the leer in rows, the arms 5, 5<a> are given an intermittent rotation about the pivots 6, 6<a>, and, at the same time, a progressive forward movement. The rotation is effected by a worm 13<a>, Fig. 4, with which engages a roller 12<a> carried by a guide 10<a> slidable on fixed rods 11<a>, the guide 10<a> being formed to receive a roller 8<a> on the end of a lever 7<a> secured to the lower end of the pivot 6<a>. The worm 13<a> is rotated intermittently through gearing 78<a> from the shaft 73<a> which is driven from the shaft 59 through adjustable pin and star-wheel gearing and carries a sliding dog clutch 76<a>, the latter being actuated at the appropriate intervals from the shaft 59 to effect reversal of the swinging movement when a complete row of bottles has been deposited. The amplitude of this swinging movement may be varied in accordance with the width of the leer by the exchange of two readily accessible wheels a, b, Fig. 3, in the transmission gearing. The progressive forward movement of the arms 5, 5<a>, is effected by the slides 3, 3<a> which are advanced and retracted by the engagement of a cam 61<a> on the shaft 59 with the lower end of a pivoted lever 89<a> connected by a rod 88<a> to the slide. The rod 88<a> may be pivoted to the lever 89<a> at any one of a number of points so that the extent of the forward movement may be varied in accordance with the diameter of the bottles. In the event of the rate of arrival of the bottles on the conveyer 42 exceeding the normal, a thermo-couple located adjacent the position of, for example, the third bottle accumulated on the conveyer 42, effects, through a relay, a speeding-up of the motor 55 and consequently an increase in the disposal rate of the machine.